215032332505 has 16 divisors (see below), whose sum is σ = 270729243648. Its totient is φ = 163747512000.

The previous prime is 215032332499. The next prime is 215032332509. The reversal of 215032332505 is 505233230512.

It is not a de Polignac number, because 215032332505 - 2¹³ = 215032324313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (215032332509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11361901 + ... + 11380810.

It is an arithmetic number, because the mean of its divisors is an integer number (16920577728).

Almost surely, 2^215032332505 is an apocalyptic number.

It is an amenable number.

215032332505 is a deficient number, since it is larger than the sum of its proper divisors (55696911143).

215032332505 is a wasteful number, since it uses less digits than its factorization.

215032332505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22742808.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 215032332505 in words is "two hundred fifteen billion, thirty-two million, three hundred thirty-two thousand, five hundred five".